CN201114959Y - Light adjustable fluorescent lamp device used together with phase adjuster - Google Patents
Light adjustable fluorescent lamp device used together with phase adjuster Download PDFInfo
- Publication number
- CN201114959Y CN201114959Y CNU2007200256244U CN200720025624U CN201114959Y CN 201114959 Y CN201114959 Y CN 201114959Y CN U2007200256244 U CNU2007200256244 U CN U2007200256244U CN 200720025624 U CN200720025624 U CN 200720025624U CN 201114959 Y CN201114959 Y CN 201114959Y
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- circuit
- dimmer
- phase modulation
- fluorescent lamp
- current
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Abstract
The utility model provides a light-adjustable fluorescent light device that can be matched with a phase-modulation dimmer for use. An electronic ballast of the light-adjustable fluorescent light, combined by connecting a rectifier filter circuit, an electronic ballast circuit and a controllable after-flow circuit, is connected between the phase-modulation dimmer and a fluorescent light tube; the rectifier filter circuit and the controllable after-flow circuit are arranged between a silicon controlled rectifier phase-modulation dimmer and an electronic ballast circuit, thereby leading the electronic ballast of the light-adjustable fluorescent light to be resistive impedance instead of inductive or capacitive impedance and leading to a result that the controllable after-flow circuit leads the input characteristics of the ballast to satisfy the silicon controlled rectifier phase-modulation dimmer on the output loading condition; the phase-modulation dimmer outputs phase-modulation wave-cutting power supply, the fluorescent light outputs phase-modulation cutting wave from the dimmer and receive the wave-cutting power supply, and then transforms the wave-cutting power supply into direct current power voltage needed by the corresponding electronic ballast oscillation output circuit so as to achieve the purpose of light-adjustment through the mode of direct current power voltage adjustment. The light-adjustable fluorescent light device that can be used with a phase-modulation dimmer has simple and practical line structure, low production cost and high performance, and is suitable for being generalized and applied in the market.
Description
Technical field
The utility model relates to can adjust fluorescent light fittings, particularly a kind of dimmable fluorescent lamp device that is used with the phase modulation dimmer that stablize light modulation.
Background technology
Because of characteristics such as controllable silicon phase modulation dimmer has that circuit is simple, element is few, low price and good dimming effect, so adopt controllable silicon phase modulation dimmer in incandescent lighting system dimmer application, to be popularized; The illumination of fluorescent lamp at present replaces the incandescent lamp bulb illumination gradually, therefore, people wish controllable silicon phase modulation dimmer applications in the light modulation of fluorescent lamp, but because when controllable silicon phase modulation dimmer carries out light modulation to fluorescent lamp, controllable silicon phase modulation dimmer has certain requirement to the impedance operator of load, and when therefore connected mode is directly carried out light modulation to fluorescent lamp routinely, frequent flicker will appear in fluorescent lamp, light modulation is uncontrollable, influences the useful life of fluorescent lamp greatly.Therefore the technical problem that fluorescent lamp is carried out good light modulation, become an important technology obstacle that makes fluorescent lamp replace incandescent lamp fully, and come across a kind of dimmable fluorescent lamp on the market at present, though its performance can reach the purpose of light modulation, but because of its element is a lot, complex circuit, make its cost raise and the reliability reduction, and its dimming scope is little, is unfavorable for its produce market popularization.
The utility model content
For addressing the above problem, the dimmable fluorescent lamp device that is used with controllable silicon phase modulation dimmer that the utility model is intended to propose a kind of novelty, this device is when being used with controllable silicon phase modulation dimmer, satisfied the characteristic requirement of the output loading of dimmer, make controllable silicon phase modulation dimmer energy operate as normal, output phase modulation angle stable power.Simultaneously, the output of this fluorescent lamp circuit is followed the variation of input power supply effective value and is changed, thereby reaches the steady light modulation of fluorescent lamp.
The technical scheme in the invention for solving the above technical problem is: the dimmable fluorescent lamp device that is used with the phase modulation dimmer, contain phase modulation dimmer and fluorescent tube, it is characterized in that: be connected with the dimmable fluorescent lamp electric ballast between phase modulation dimmer and fluorescent tube, the dimmable fluorescent lamp electric ballast is connected to form by current rectifying and wave filtering circuit, electronic ballast circuit and controllable follow current circuit; Phase modulation dimmer output is connected with current rectifying and wave filtering circuit, rectification filter circuit output end is connected with the electronic ballast circuit input, the electronic ballast circuit output is connected with fluorescent tube, controllable follow current circuit respectively with current rectifying and wave filtering circuit in bridge rectifier be connected with filter circuit.
Current rectifying and wave filtering circuit is to be connected through inductance L 1, capacitor C 1 and by the stream filter circuit by bridge rectifier, bridge rectifier is connected to form by diode D1～D4, connect to form by diode D7～D9 and electrochemical capacitor C2, C3 by the stream filter circuit, make the 220V alternating current of input convert the fluctuation direct current to, as the electronic ballast circuit power supply through rectification and by stream filtering.
Controllable follow current circuit is connected to form by constant current freewheeling circuit and ON-OFF control circuit, and the constant current freewheeling circuit is connected to form by triode Q1, diode D5, D6, D11, resistance R 1, R2; ON-OFF control circuit is connected to form by triode Q2, diode D10, resistance R 3, R4, resistance R 1 and diode D11 offer triode Q1 base stage constant DC and press, by the flow through size of electric current of triode Q1 of the resistance of resistance R 2 decision, this electric current is exactly the constant current freewheel current that offers the work of phase modulation dimmer.
Constant current freewheeling circuit and ON-OFF control circuit make the input characteristics of dimmable fluorescent lamp electric ballast satisfy phase modulation dimmer (being controllable silicon phase modulation dimmer) to the output load condition requirement, the constant current freewheeling circuit can make the alternating current of input be in trough, current rectifying and wave filtering circuit and electronic ballast circuit be not when external power extracts electric current, this circuit can constant current extract several milliamperes electric current under any voltage, keep controllable silicon phase modulation dimmer operate as normal, satisfy the requirement of dimmer with minimum consumption; Diode D5, D6 are anodal in the constant current freewheeling circuit is connected with the power input of bridge rectifier, D5, D6 negative pole are connected with the Q1 collector electrode, Q1 base stage and the R1 of series connection are connected with electrical nodes between D11, the collector electrode of Q2 in this electrical nodes and the ON-OFF control circuit is connected, the output that connects by the stream filter circuit is connected with R1, the positive pole of D9 and D10 is connected, when the electric current that extracts from external power when electronic ballast circuit surpasses the afterflow rated value, the constant current freewheeling circuit is turn-offed in ON-OFF control circuit control, reduces the wastage once more.
The beneficial effects of the utility model are: be provided with current rectifying and wave filtering circuit and controllable follow current circuit between controllable silicon phase modulation dimmer and electronic ballast circuit, make dimmable fluorescent lamp electric ballast resistive impedance, rather than inductive or capacitive impedance, make controllable follow current circuit make the input characteristics of ballast satisfy controllable silicon phase modulation dimmer to the output load condition requirement, phase modulation dimmer output phase modulation is cut the ripple power supply, fluorescent lamp is cut ripple output from dimmer output phase modulation and is obtained and cut the ripple power supply, become the required DC power supply voltage of corresponding electronic ballast vibration output circuit, reach the purpose of light modulation in the mode of DC power supply voltage pressure regulation; And line construction of the present utility model is simple and practical, low cost of manufacture and cost performance high and help marketing and use.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is a circuit diagram of the present utility model;
Among the figure: 1. phase modulation dimmer; 2. fluorescent tube; 3. dimmable fluorescent lamp electric ballast; 4. current rectifying and wave filtering circuit; 5. electronic ballast circuit; 6. controllable follow current circuit.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
The dimmable fluorescent lamp device that is used with the phase modulation dimmer as shown in Figure 1 and Figure 2 contains phase modulation dimmer 1 and fluorescent tube 2; Phase modulation dimmer 1 is a controllable silicon phase modulation dimmer, its input termination 220V alternating current, be connected with dimmable fluorescent lamp electric ballast 3 at phase modulation dimmer 1 and 2 of fluorescent tubes, dimmable fluorescent lamp electric ballast 3 is connected to form by current rectifying and wave filtering circuit 4, electronic ballast circuit 5 and controllable follow current circuit 6; Phase modulation dimmer 1 output is connected with current rectifying and wave filtering circuit 4, and current rectifying and wave filtering circuit 4 outputs are connected with electronic ballast circuit 5 inputs, and electronic ballast circuit 5 outputs are connected with fluorescent tube 2; Controllable follow current circuit 6 respectively with current rectifying and wave filtering circuit 4 in bridge rectifier be connected with filter circuit; Current rectifying and wave filtering circuit 4 is to be connected through inductance L 1, capacitor C 1 and by the stream filter circuit by bridge rectifier, bridge rectifier is connected to form by diode D1～D4, connect to form by diode D7～D9 and electrochemical capacitor C2, C3 by the stream filter circuit, current rectifying and wave filtering circuit 4 makes the alternating current of input convert the fluctuation direct current to through rectification and by stream filtering, as electronic ballast circuit 5 power supplys; The conducting angle of current rectifying and wave filtering circuit 4 external power circuit current drawn is about 120 ° (half-wave is 180 °), and the current power factor has reduced current harmonic content greater than 0.92, meets the electricity consumption requirement of green illumination; The effective value of its output dc voltage and input supply voltage is proportional simultaneously, and the output voltage of phase modulation dimmer 1 changes can make electronic ballast circuit 5 output voltages that corresponding the variation taken place, and reaches the purpose of adjusting brightness of fluorescent lamp.
Controllable follow current circuit 6 is connected to form by constant current freewheeling circuit and ON-OFF control circuit, the constant current freewheeling circuit is connected to form by triode Q1, diode D5, D6, D11, resistance R 1, R2, resistance R 1 and diode D11 offer triode Q1 base stage constant DC and press, by the flow through size of electric current of triode Q1 of the resistance of resistance R 2 decision, this electric current is exactly the constant current freewheel current that offers 1 work of phase modulation dimmer; ON-OFF control circuit is connected to form by triode Q2, diode D10, resistance R 3, R4, when the electric current of flow through rectification circuit and electronic ballast circuit 5 has surpassed the rated value of freewheel current, the voltage that the electric current of resistance R 4 produces owing to flow through offers triode Q2 base current, make triode Q2 conducting saturated, the base voltage of triode Q1 is descended, triode Q1 ends, and turn-offs the constant current freewheeling circuit; Diode D5, D6 are anodal in the constant current freewheeling circuit is connected with the power input of bridge rectifier, D5, D6 negative pole are connected with the Q1 collector electrode, Q1 base stage and the R1 of series connection are connected with electrical nodes between D11, the collector electrode of Q2 in this electrical nodes and the ON-OFF control circuit is connected, the output that connects by the stream filter circuit is connected with R1, and the positive pole of D9 and D10 is connected.Controllable follow current circuit 6 presents resistive impedance, rather than inductive or capacitive impedance, when the arbitrary phase of power supply, all can provide current channel, but make the dimmer operate as normal, be that controlled freewheeling circuit 6 makes the input characteristics of ballast satisfy controllable silicon phase modulation dimmer to the output load condition requirement, the constant current freewheeling circuit can make the alternating current of input be in trough, electronic ballast circuit 5 is not when external power extracts electric current, this circuit can constant current extract several milliamperes electric current under any voltage, keep controllable silicon phase modulation dimmer operate as normal, satisfy the requirement of dimmer with minimum consumption; In the afterflow breaking circuit, when the electric current that extracts from external power when electronic ballast circuit 5 surpasses the afterflow rated value, turn-off the constant current freewheeling circuit, reduce the wastage once more.It is of the present utility model that to be universal electric ballasting circuit 5 constitute vibration and output, build-up of luminance, ballasting circuit by electronic devices and components, because power supply DC voltage change, direct current one high-frequency ac inverter circuit output voltage is changed, the power drop and the rising of the fluorescent lamp tube that is attached thereto with control.
Because current rectifying and wave filtering circuit adopts by the stream filter circuit, time from external power circuit current drawn during electric ballast work is 2/3rds, so the constant current freewheeling circuit only is operated in the time of residue 1/3rd, and be under ± 30 ° low angle low-voltage, to work, so its power loss is minimum, much smaller than 0.5 watt, reduced the loss that afterflow brings, also reduced the temperature rise of ballast and fluorescent lamp simultaneously.
Claims (4)
1. the dimmable fluorescent lamp device that is used with the phase modulation dimmer, contain phase modulation dimmer and fluorescent tube, it is characterized in that: be connected with the dimmable fluorescent lamp electric ballast between phase modulation dimmer and fluorescent tube, the dimmable fluorescent lamp electric ballast is connected to form by current rectifying and wave filtering circuit, electronic ballast circuit and controllable follow current circuit; Phase modulation dimmer output is connected with current rectifying and wave filtering circuit, rectification filter circuit output end is connected with the electronic ballast circuit input, the electronic ballast circuit output is connected with fluorescent tube, controllable follow current circuit respectively with current rectifying and wave filtering circuit in bridge rectifier be connected with filter circuit.
2. the dimmable fluorescent lamp device that is used with the phase modulation dimmer according to claim 1, it is characterized in that: current rectifying and wave filtering circuit is to be connected through inductance L 1, capacitor C 1 and by the stream filter circuit by bridge rectifier, bridge rectifier is connected to form by diode D1～D4, is connected to form by diode D7～D9 and electrochemical capacitor C2, C3 by the stream filter circuit.
3. the dimmable fluorescent lamp device that is used with the phase modulation dimmer according to claim 1, it is characterized in that: controllable follow current circuit is connected to form by constant current freewheeling circuit and ON-OFF control circuit, and the constant current freewheeling circuit is connected to form by triode Q1, diode D5, D6, D11, resistance R 1, R2; ON-OFF control circuit is connected to form by triode Q2, diode D10, resistance R 3, R4.
4. according to claim 2 or the 3 described dimmable fluorescent lamp devices that are used with the phase modulation dimmer, it is characterized in that: diode D5, D6 are anodal in the constant current freewheeling circuit is connected with the power input of bridge rectifier, D5, D6 negative pole are connected with the Q1 collector electrode, Q1 base stage and the R1 of series connection are connected with electrical nodes between D11, the collector electrode of Q2 in this electrical nodes and the ON-OFF control circuit is connected, the output that connects by the stream filter circuit is connected with R1, and the positive pole of D9 and D10 is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200256244U CN201114959Y (en) | 2007-07-23 | 2007-07-23 | Light adjustable fluorescent lamp device used together with phase adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200256244U CN201114959Y (en) | 2007-07-23 | 2007-07-23 | Light adjustable fluorescent lamp device used together with phase adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201114959Y true CN201114959Y (en) | 2008-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200256244U Expired - Fee Related CN201114959Y (en) | 2007-07-23 | 2007-07-23 | Light adjustable fluorescent lamp device used together with phase adjuster |
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| Country | Link |
|---|---|
| CN (1) | CN201114959Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905419A (en) * | 2011-07-29 | 2013-01-30 | 松下电器产业株式会社 | Lighting device and illumination apparatus using same |
-
2007
- 2007-07-23 CN CNU2007200256244U patent/CN201114959Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905419A (en) * | 2011-07-29 | 2013-01-30 | 松下电器产业株式会社 | Lighting device and illumination apparatus using same |
| CN102905419B (en) * | 2011-07-29 | 2015-06-24 | 松下电器产业株式会社 | Lighting device and illumination apparatus using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |